A: 

Try this tip from the FAQ

<@link_to controller="unobtrusive" action="do-get" "data-target"="result">

I haven't tried this personally so can't vouch if it will work.

gregcase
this did not work, I get <code>Was expecting one of: ";" ... <ID> ... ">" ... <EMPTY_DIRECTIVE_END> ... "." ... "[" ... "(" ...</code>, however, I solved this problem by not using this construct. Thank you for looking into this.
ipolevoy